package com.huangcy.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.lang.annotation.Annotation;
import java.util.HashSet;
import java.util.Set;

/**
 * @program: gulimall
 * @description: 自定义的校验器
 * @author: huangcy
 * @create: 2022-07-22 16:55
 **/
public class ListValueConstraintValidator implements ConstraintValidator<ListValue, Integer> {

    private Set<Integer> set = new HashSet<>();

    // 初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] values = constraintAnnotation.values();
        if (values != null) {
            for (int value : values) {
                set.add(value);
            }
        }
    }

    // 判断是否校验成功

    /**
     * @param value   需要校验的值
     * @param context
     * @return boolean
     * @MethodName isValid
     * @Description
     * @Author huangcy
     * @Date 2022/7/22 16:59
     */

    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        return set.contains(value);
    }
}
